怎么才能感受到redis带来的明显性能提升
可以说下 电商系统中的具体使用场景吗
原先使用mysql
现在改为redis的使用场景
回复内容:
可以说下 电商系统中的具体使用场景吗
原先使用mysql
现在改为redis的使用场景
读写分离
比如商品详情、首页这种很少编辑的页面,可以做缓存。因为谁去查都是同样的返回结果。
可以参考:Redis 11种应用场景
无交互,只涉及数据读取的页面都可以使用redis做缓存优化。
redis 和 mysql 不冲突吧?
用 redis 的同时也能用 mysql 啊
在并发不大的情况下, 并不会感觉到有多大的差别, mysql的并发查询数量不到一定级别, 速度并不觉得慢...当并发大了, mysql查询越来越慢的时候, 这时可以用redis做缓存优化, 不需要直接查询数据库, 把数据库的并发降下来, 就感觉大了
电商是指卖东西那种?那就是根据内存大小把经常访问的数据尽量放入redis咯。
怎么才能感受到?做性能测试咯,或者找一台老机器把机械硬盘换固态也能有相同的感受
看看microtime()
用ConnectionPool可以提升性能。

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